Zoty Industrial Co.,Ltd supply the high performance stainless steel deep groove ball bearings can provides not only with the cleanliness and corrosion resistance characteristic, but also with high accuracy and excellent wear resistance compare to the high stainless steel ball bearings. The rings and balls are made of the material AISI420 stainless steel as a standard structure of deep groove ball bearings, production accuracy could reach ISO standard ABEC-1 and above, and the vibration level reach Z0V0 grade and above.